Digital Logic Design: Combinational Logic Functions Quiz
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Questions and Answers

What are the binary outputs of a half-adder given inputs A=1 and B=1?

  • Carry out = 1, Sum = 0 (correct)
  • Carry out = 0, Sum = 1
  • Carry out = 1, Sum = 1
  • Carry out = 0, Sum = 0
  • What are the binary outputs of a half-adder given inputs A=0 and B=1?

  • Carry out = 1, Sum = 0
  • Carry out = 1, Sum = 1
  • Carry out = 0, Sum = 0
  • Carry out = 0, Sum = 1 (correct)
  • How many binary inputs does a full adder have?

  • 1
  • 2
  • 3 (correct)
  • 4
  • What are the binary outputs of a full adder given inputs A=1, B=1, and Carry in=1?

    <p>Carry out = 1, Sum = 1</p> Signup and view all the answers

    What is the result of binary addition for the inputs A=1 and B=1 using a half-adder?

    <p>$10_2$</p> Signup and view all the answers

    Study Notes

    Half-Adder Outputs

    • For inputs A=1 and B=1, the half-adder produces a sum output of 0 and a carry output of 1.
    • For inputs A=0 and B=1, the half-adder generates a sum output of 1 and a carry output of 0.
    • Half-adders are designed to perform addition of two binary digits without carry input.

    Full-Adder Inputs and Outputs

    • A full adder has three binary inputs: two significant bits (A and B) and a carry input (C).
    • Given inputs A=1, B=1, and Carry in=1, the full adder produces a sum output of 1 and a carry output of 1.
    • Full adders allow for transfer of carry from previous sums, enabling multi-bit binary addition.

    Binary Addition with Half-Adder

    • The result of binary addition for inputs A=1 and B=1 using a half-adder results in a sum of 0 with a carry of 1, indicating the need to handle overflow in binary addition.

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    Description

    Test your knowledge of combinational logic and basic adders in digital logic design with this quiz based on the content from Digital Fundamentals CHAPTER 6 Functions of Combinational Logic by Floyd. Explore concepts such as half-adders, simple binary addition, and truth tables.

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